If you find yourself in Rotterdam, there's a strong chance you've arrived by water. This popular port city (the second largest in the Netherlands) has gone through an architectural renaissance since World War II, with daring, innovative structures dotting the city (cube houses!) and defining its skyline. Café culture is on the rise here, so grab yourself a table and a cup.

Holyhead, a charming port town located on the Isle of Anglesey in Wales, serves as a gateway to the stunning landscapes of North Wales and beyond. Known for its bustling ferry terminal, Holyhead connects Wales with Ireland, making it a convenient starting point for cross-border travel.

Located on the north coast of Morocco near the Strait of Gibraltar, Tangier is a cultural capital replete with historic sites, colorful architecture, and splendid beaches. An essential stop is the Ancien Medina, a walled collection of winding streets and alleys filled with cafes and shops leading to the Kasbah, a former palace and mosque that also houses a museum.

France's capital and most populated city, Paris is an alluring destination and an essential stop for any global traveler. A center of fashion, gastronomy, and the arts. Major tourist attractions in the City of Lights include the Eiffel Tower (such great heights!), the Louvre (home of the Mona Lisa and Venus de Milo), the Arc de Triomphe, and Grand Palais.

Intended by Henry II, Duke of Bavaria to be the "second Rome", Bamberg is a gem of a UNESCO World Heritage site! The medieval layout of the city is still very well preserved, including the Altes Rathaus, which occupies an island in the Regnitz reached by arched bridges.